390 



INDEX 



Peridermium — Continued 

 fragile, 269. 

 fructigenum, 182. 

 Harknessii, 286, 288. 

 Holwayi, 158. 

 intermedium, 267. 

 minutum, 269. 

 jrumUmum, 267. 

 omameTitale, 158. 

 Pecfcii, l81. 



pseudo-balsameum, 156. 

 'pyriforme, 284. 

 s<ro6i, 279. 

 Perisporiacese, see Sooty molds, 41. 

 Pestalozzia funerea, 319. 

 phegopteridis, Uredinopsis, 156. 

 Phoma, basal canker, pine, 290. 

 seedling-blight, arbor-vitae, 89. 

 seedling twig-blight, juniper, 190. 

 twig-blight, seedUng, juniper, 190. 

 Phoradendron, see Mistletoe diseases, 

 general, 54. 

 host index to, 57. 

 Phgllactinia corylea, 153, 227, 241, 341. 

 Phyllostiota, see Leaf-spots, general, 27. 

 Phyllosticta minima, 226. 



sphwropsoidea = Guignardia aescndi, 

 118. 

 Physalospora c^ydonice = SpJueropsis ma- 



larum, 140, 244. 

 Phylophthora omnivora, 4. 

 phytoptophUa, Sphcerotheca, 174. 

 Phytoptus, see Witches' -broom, hack- 

 berry, 174. 

 Pilotce, Polyporua = Polyporus croceus, 



150, 258. 

 Pin-disease, cedar, 135. 

 Pine diseases, 264. 

 basal canker, 290. 

 blight, twig-, 272. 

 blister-rusts, leaf, 265. 

 Castilleja, 285. 

 Comandra, 283. 

 five-needle pines, 274. 

 oak, 287. 

 Pilion, 290. 

 sweet-fern, 281. 

 brown felt-blight, 271. 

 brown heartwood-rot, 292. 

 brown pocket heartwood-rot, 293. 

 brown root- and butt-rot, 296. 



Pine diseases — Continued 



burls and witches'-brooms, mistle- 

 toe, 273. 

 butt-rot, brown, 296. 



red-brown, 294. 

 canker, basal; 290. 

 Castilleja rust, 285. 

 damping-off, seedlings, general, 2. 

 drought-injury, leaves, general, 22. 

 drowning, roots, general, 73. 

 drying, roots, general, 73. 

 electrical injuries, general, 60. 

 felt-blight, brown, 271. 

 five-needle pine blister-rust, 274. 

 freezing-to-death, roots, general, 74. 



seedlings, general, 12. 



twigs and bark, 47. 

 frost-cracks, general, 50. 

 galls, general, 63. 

 gas-injury, roots, general, 76. 



smoke- and, leaves, general, 23. 

 heartwood-rot, brown, 292. 



brown pocket, 293. 

 late frost-injury, leaves, general, 21. 

 leaf blister-^iists, 265. 

 leaf-cast and witches'-broom o5 



western yellow pine, 271. 

 leaf-cast ol conifers, general, 38. 

 leaf-cast of white pine, 270. 

 leaf-rust, 270. 



lightning injury, general, 60. 

 mistletoe burls and witches'-brooms, 



273. 

 mistletoe diseases, general, 54. 

 mycorhizas, roots, general, 82. 

 oak rust, 287. 

 pecky wood-rot, 291. 

 Pinon blister-rust, 290. 

 red-brown root- and butt-rot, 294. 

 red-brown sapwood-rot, 292. 

 red-ray wood-rot, 293. 

 root-rot, brown, 296. 



red-brown, 294. 

 seedling, 264. 



shoe-string, general, 78. 



yellow, 296. 

 rust, blister-, of five-needle pines, 

 274. 



Castilleja, 285. 



Comandra, 283. 



leaf-, 270. 



